89012720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 219822240

約数和(自身を除く): 130809520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 304, 314, 373, 380, 628, 746, 760, 785, 1256, 1492, 1520, 1570, 1865, 2512, 2983, 2984, 3140, 3730, 5966, 5968, 6280, 7087, 7460, 11932, 12560, 14174, 14915, 14920, 23864, 28348, 29830, 29840, 35435, 47728, 56696, 58561, 59660, 70870, 113392, 117122, 119320, 141740, 234244, 238640, 283480, 292805, 468488, 566960, 585610, 936976, 1112659, 1171220, 2225318, 2342440, 4450636, 4684880, 5563295, 8901272, 11126590, 17802544, 22253180, 44506360, 89012720]

約数ペア:

[(1, 89012720), (2, 44506360), (4, 22253180), (5, 17802544), (8, 11126590), (10, 8901272), (16, 5563295), (19, 4684880), (20, 4450636), (38, 2342440), (40, 2225318), (76, 1171220), (80, 1112659), (95, 936976), (152, 585610), (157, 566960), (190, 468488), (304, 292805), (314, 283480), (373, 238640), (380, 234244), (628, 141740), (746, 119320), (760, 117122), (785, 113392), (1256, 70870), (1492, 59660), (1520, 58561), (1570, 56696), (1865, 47728), (2512, 35435), (2983, 29840), (2984, 29830), (3140, 28348), (3730, 23864), (5966, 14920), (5968, 14915), (6280, 14174), (7087, 12560), (7460, 11932)]